Add an XML grep utility. It's far from complete but it allowed me to test the animation files for the precense of the 'offset' element in the translation animation sections.
This commit is contained in:
ehofman
parent
2f98caeba8
commit
fa2caf88dc
5 changed files with 259 additions and 1 deletions
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@ -548,6 +548,7 @@ AC_CONFIG_FILES([ \
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utils/js_server/Makefile \
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utils/Modeller/Makefile \
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utils/TerraSync/Makefile \
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utils/xmlgrep/Makefile \
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])
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AC_OUTPUT
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@ -1,4 +1,4 @@
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DIST_SUBDIRS = TerraSync Modeller js_server fgadmin
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DIST_SUBDIRS = TerraSync Modeller js_server fgadmin xmlgrep
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SUBDIRS = GPSsmooth TerraSync Modeller js_server
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4
utils/xmlgrep/.cvsignore
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4
utils/xmlgrep/.cvsignore
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@ -0,0 +1,4 @@
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.deps
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Makefile
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Makefile.in
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xmlgrep
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4
utils/xmlgrep/Makefile.am
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4
utils/xmlgrep/Makefile.am
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@ -0,0 +1,4 @@
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noinst_PROGRAMS = xmlgrep
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xmlgrep_SOURCES = xmlgrep.cxx
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xmlgrep_LDADD = -lsgstructure -lsgprops -lsgmisc -lsgdebug -lsgxml
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249
utils/xmlgrep/xmlgrep.cxx
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249
utils/xmlgrep/xmlgrep.cxx
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@ -0,0 +1,249 @@
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <simgear/props/props.hxx>
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#include <simgear/props/props_io.hxx>
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#include <simgear/structure/exception.hxx>
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unsigned int _fcount = 0;
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char **_filenames = 0;
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char *_element = 0;
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char *_value = 0;
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char *_root = 0;
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char *_print = 0;
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int print_filenames = 0;
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#define DEBUG 0
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void free_and_exit(int i);
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#define SHOW_NOVAL(opt) \
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{ \
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printf("option '%s' requires a value\n\n", (opt)); \
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free_and_exit(-1); \
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}
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void show_help ()
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{
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printf("usage: xmlgrep [options] [file ...]\n\n");
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printf("Options:\n");
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printf("\t-h\t\tshow this help message\n");
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printf("\t-e <id>\t\tshow sections that contain this element\n");
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printf("\t-p <id>\t\tprint this element as the output\n");
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printf("\t-r <path>\tspecify the XML search root\n");
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printf("\t-v <string>\tshow sections where on of the elements has this value \n");
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printf("\n");
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printf(" To print the contents of the 'type' element of the XML section ");
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printf("that begins\n at '/printer/output' one would use the following ");
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printf("syntax:\n\n\txmlgrep -r /printer/output -p type sample.xml\n\n");
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printf(" To filter out sections that contain the 'driver' element with ");
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printf("'generic' as\n it's value one would issue the following command:\n");
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printf("\n\txmlgrep -r /printer/output -e driver -v generic -p type ");
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printf("sample.xml\n\n");
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free_and_exit(0);
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}
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void free_and_exit(int i)
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{
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if (_root) free(_root);
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if (_value) free(_value);
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if (_element) free(_element);
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if (_filenames)
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{
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for (i=0; i < _fcount; i++) {
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if (_filenames[i]) {
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if (print_filenames) printf("%s\n", _filenames[i]);
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free(_filenames[i]);
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}
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}
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free(_filenames);
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}
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exit(i);
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}
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int parse_option(char **args, int n, int max) {
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char *opt, *arg = 0;
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int sz;
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opt = args[n];
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if (opt[0] == '-' && opt[1] == '-')
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opt++;
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if ((arg = strchr(opt, '=')) != NULL)
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*arg++ = 0;
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else if (++n < max)
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{
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arg = args[n];
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if (arg && arg[0] == '-')
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arg = 0;
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}
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#if DEBUG
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fprintf(stderr, "processing '%s'='%s'\n", opt, arg ? arg : "NULL");
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#endif
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sz = strlen(opt);
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if (strncmp(opt, "-help", sz) == 0) {
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show_help();
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}
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else if (strncmp(opt, "-root", sz) == 0) {
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if (arg == 0) SHOW_NOVAL(opt);
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_root = strdup(arg);
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#if DEBUG
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fprintf(stderr, "\troot=%s\n", _root);
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#endif
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return 2;
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}
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else if (strncmp(opt, "-element", sz) == 0) {
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if (arg == 0) SHOW_NOVAL(opt);
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_element = strdup(arg);
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#if DEBUG
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fprintf(stderr, "\telement=%s\n", _element);
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#endif
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return 2;
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}
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else if (strncmp(opt, "-value", sz) == 0) {
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if (arg == 0) SHOW_NOVAL(opt);
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_value = strdup(arg);
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#if DEBUG
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fprintf(stderr, "\tvalue=%s\n", _value);
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#endif
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return 2;
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}
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else if (strncmp(opt, "-print", sz) == 0) {
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if (arg == 0) SHOW_NOVAL(opt);
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_print = strdup(arg);
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#if DEBUG
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fprintf(stderr, "\tprint=%s\n", _print);
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#endif
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return 2;
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}
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/* undocumented test argument */
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else if (strncmp(opt, "-list-filenames", sz) == 0) {
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print_filenames = 1;
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return 1;
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}
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else if (opt[0] == '-') {
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printf("Unknown option %s\n", opt);
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free_and_exit(-1);
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}
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else {
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int pos = _fcount++;
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if (_filenames == 0)
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_filenames = (char **)malloc(sizeof(char*));
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else {
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char **ptr = (char **)realloc(_filenames, _fcount*sizeof(char*));
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if (ptr == 0) {
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printf("Out of memory.\n\n");
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free_and_exit(-1);
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}
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_filenames = ptr;
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}
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_filenames[pos] = strdup(opt);
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#if DEBUG
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fprintf(stderr, "\tadding filenames[%i]='%s'\n", pos, _filenames[pos]);
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#endif
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}
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return 1;
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}
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void grep_file(unsigned num)
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{
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SGPropertyNode root, *path;
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#if DEBUG
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fprintf(stderr, "Reading filenames[%i]: %s ... ", num, _filenames[num]);
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#endif
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try {
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readProperties(_filenames[num], &root);
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} catch (const sg_exception &e) {
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fprintf(stderr, "Error reading file '%s'\n", _filenames[num]);
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// free_and_exit(-1);
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return;
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}
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#if DEBUG
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fprintf(stderr, "done.\n");
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#endif
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if ((path = root.getNode(_root, false)) != NULL)
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{
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SGPropertyNode *elem;
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if (_element && _value)
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{
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if ((elem = path->getNode(_element, false)) != NULL)
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{
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if (strcmp(elem->getStringValue(), _value) == NULL)
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{
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SGPropertyNode *print = path->getNode(_print, false);
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if (print)
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{
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printf("%s: <%s>%s</%s>\n", _filenames[num],
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_print, print->getStringValue(), _print);
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}
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}
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}
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}
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else if (_element)
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{
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}
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else if (_value)
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{
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}
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}
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#if DEBUG
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else
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fprintf(stderr," No root node specified.\n");
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#endif
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}
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inline void grep_files()
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{
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#if DEBUG
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fprintf(stderr, "Reading files ...\n");
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#endif
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for (int i=0; i<_fcount; i++)
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grep_file(i);
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}
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int
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main (int argc, char **argv)
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{
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int i;
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if (argc == 1)
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show_help();
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for (i=1; i<argc;)
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{
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int ret = parse_option(argv, i, argc);
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i += ret;
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#if DEBUG
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fprintf(stderr, "%i arguments processed.\n", ret);
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#endif
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}
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grep_files();
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free_and_exit(0);
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return 0;
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}
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